Missing colon
Forgot to rename class in imports
Removed old app code
Removed unused imports
Fixed var name typo
Default to filewriter
Writer config & aliases
Missing imports
Better comment
Missing colon
Remove no longer used notebook node
Don't instanciate writter here.  Just make sure the class exists.
Should be done on a notebook&template basis (since config may change)
Export logic
Allow notebook_name to be specified explicitly for filename case
Missing imports
Help keyword missing